exist and our goal is to bring them to you so tonight, a keeping them honest investigation about a city that is among the nation's deadliest. chicago, illinois. this week alone, six people have been killed there, including a 15-year-old girl who was just standing in her backyard with her friends. those deaths bring the total number of murders there this year to 476. that just happens to be a number that is greater than the coalition troops serving in afghanistan during the very same period, so think of that. chicago is in a very real sense a war zone. >> patients keep coming and they come and they come, like machine gunfire. you can expect this to happen every single night. >> for the past several years, "360" has been covering the growing epidemic of gun violence on chicago's south side. >> good evening. from the south side of chicago, a tough neighborhood with strong people reeling from a killing spree that cannot be ignored. there are no easy answers but the problems are too important to ignore. we're in chicago tonight, a city in crisis. kids are dying, shot, beaten, murdered in the